package com.atguigu.common.validator.group;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

/**
 * @author gorkr
 * @date 2022/08/24 22:45
 **/
public class ListValueConstraintValidator implements ConstraintValidator<ListValue, Integer> {

    private Set<Integer> set = new HashSet<>();

    @Override
    public void initialize(ListValue constraintAnnotation){

        int[] vals = constraintAnnotation.vals();
        for (int val :
            vals) {
            set.add(val);
        }
    }

    // 判断是否校验成功
    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext context){
        return set.contains(value);
    }

}
    